A field requiring irrigation (beth hashlachin) [land that is "faint" and thirsting for water. (The targum of (Deuteronomy 25:18): "faint and weary" is "meshalhei ul'ei.")] may be watered on Chol Hamoed and on shevi'ith. [For essential work is permitted on Chol Hamoed. And beth hashlachin, from the time one begins watering it, if it is not regularly watered, it is immediately "lost." As we learn below (1:3): "Seeds which were not watered before Chol Hamoed may not be watered on Chol Hamoed," for they do not go lost. But if they were watered before Chol Hamoed, they may be watered on Chol Hamoed. And it is only an irrigated grain field which may be watered on Chol Hamoed, but not an irrigated tree field, for it will not suffer loss. And on shevi'ith it is permitted to water beth hashlachin and beth haba'al (a naturally watered field), "beth hashlachin" being stated vis-à-vis Chol Hamoed alone.] (It may be watered) both from a just started spring, and from an old one [and we do not fear that since it was just started perhaps its banks will fall in and he might come to shore it up on Chol Hamoed and exert himself unduly.] But it may be watered neither from rain water, [a decree by reason of kilon water] nor from kilon water ["kilon" is water from a deep pit in which rain water is collected, the drawing up of which entails much exertion.], and ugioth may not be made for vines. ["ugioth" are ruts dug at the roots of olive trees or vines to be filled with water.]
Bartenura on Mishnah Moed Katan
משקין בית השלחין – a weary land and thirsty for water. The Aramaic translation of “tired and weary,” is thirstiness and tired.
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English Explanation of Mishnah Moed Katan
Introduction
The first mishnah of Moed Katan deals with watering a field during the festival. Watering a field is sometimes necessary or the crops will be lost. Therefore, watering in these types of situations tends to be permitted. However, watering is also quite laborious and hence some types of watering are prohibited.
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Bartenura on Mishnah Moed Katan
משקין במועד – for it is a business that cannot be postponed without irretrievable loss is permissible on the Festival (i.e., the Intermediate Days of the Festival). For a field which needs irrigation from the time when one begins to water it, if one does not water it frequently, it immediately becomes lost, as is taught at the end of Mishnah [3 – of this chapter, seeds which have not been watered before the Festival should not be watered on the Festival, for they will not suffer loss, but if they “drank” before the Festival, he should water them during the Festival. And specifically, a bright, shade-less field (i.e., vegetable or grain field) of grain which needs irrigation, we water them on the Festival, but fields which are moist of a tree, it is not permitted on the Festival, for they don’t suffer loss. And in the Seventh Year, it is permitted to water whether it is a field that needs irrigation or whether it is a field sufficiently watered by rain [and not needing irrigation], and because of the Festival alone, our Mishnah took this.
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English Explanation of Mishnah Moed Katan
They may water an irrigated field during the festival [week] or in the sabbatical year, both from a newly-emerging spring and from a spring that is not just emerged. “An irrigated field” refers to a field that cannot subsist on rainwater alone. Therefore, the mishnah allows one to water it on the festival. During the sabbatical year it is forbidden to work the land. However, irrigating a field is not considered to be working the field, as is plowing or planting. Nevertheless, the rabbis did prohibit watering during the sabbatical year, but they did not prohibit watering a field that needed to be irrigated. Certainly the field may be watered through an old spring, whose water has already been directed at the field. The mishnah says that it may be watered even from a new spring, despite the extra work of directing the water to the field.
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Bartenura on Mishnah Moed Katan
שיצא בתחילה – that goes out now from the start, and we don’t suspect for since it is new, lest its banks overflow and people come to repair them on the Festival and there is great trouble/labor.
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English Explanation of Mishnah Moed Katan
But they may not water the field with water from stored rain, and not with a swipe and bucket. Carrying water to the field from a cistern of stored rain water is a lot of work. Therefore they are not allowed to water the field in this way. They are also not allowed to water using a method called “swipe and bucket,” which was a type of sweeping pump used to get water out of deep cisterns. This was also considered too laborious. We can see that first the mishnah allows watering these types of fields because otherwise the crops will be lost. It then limits that by saying that some labors are prohibited because one shouldn’t be doing so much work on the festival.
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Bartenura on Mishnah Moed Katan
שלא יצא בתחלה – when it is sleeping.
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English Explanation of Mishnah Moed Katan
And they may not make small ditches around the vines. Finally, one may not make water ditches around vines. These ditches were made so that they would fill up and the water would seep into the roots. Again, digging these ditches was considered too much work for it to be permitted on the festival.
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Bartenura on Mishnah Moed Katan
אבל לא ממי גשמים – a decree because of water from a swipe well.קילון are water of a deep pit/cistern and in it is collected rain water, and from it there is greater trouble to draw it out.
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Bartenura on Mishnah Moed Katan
עוגיות – trenches that they would make in the roots of olives and in the roots of vines in order that they would fill up with water.