नर्सरी की कतारों में पौधों के विरलीकरण (थिनिंग) का मुख्य उद्देश्य क्या प्राप्त करना होता है?

How should young seedlings in a nursery bed be protected from physical damage caused by heavy rains?

A specialized nursery raising grafted vegetable or fruit crops must place extra emphasis on ensuring which of the following?